package com.kuang.dao;


import com.kuang.pojo.Department;
import com.kuang.pojo.Employee;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

//员工dao
@Repository //对应存储层bean
public class EmployeeDao {
    //模拟数据库中的数据
    private static Map<Integer, Employee> employees=null;
    //员工有所属的部门
    @Autowired
    private DepartmentDao departmentDao;
    static{
        employees=new HashMap<Integer, Employee>(); //创建一个部门表
        employees.put(1001,new Employee(1001,"AA","123569@qq.com",1,new Department(101,"教学部")));
        employees.put(1002,new Employee(1002,"Ak","214586@qq.com",1,new Department(102,"市场部")));
        employees.put(1003,new Employee(1003,"Aj","364785@qq.com",0,new Department(103,"运营部")));
        employees.put(1004,new Employee(1004,"An","479513@qq.com",1,new Department(104,"教研部")));
        employees.put(1005,new Employee(1005,"Ab","513585@qq.com",0,new Department(105,"后勤部")));

    }
    //代码实现自增和自减
    private static int initid=1005;
    //增加一个员工
    public void add(Employee employee){
        if(employee.getId()==0){
            employee.setId(++initid);
        }
        employee.setDepartment(departmentDao.getDepartmentById(employee.getDepartment().getId()));
        employees.put(employee.getId(),employee);
    }

    //查询全部员工信息
    public Collection<Employee> getAll(){
        return employees.values();
    }
    //通过id查询员工
    public Employee getEmployeeById(int id){

        return employees.get(id);
    }
    //删除员工通过id
    public void delete(int id){
        initid--;
        employees.remove(id);
    }
}
